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pressing 
Process for exerting pressure on a book being bound in order to flatten the signatures and make them more compact.
standing press
Hand-operated machine for pressing books during the binding process.
base
pressing board
Small board made of wood or stiff board and used to separate books, protect them and prevent warping.
platen
Heavy adjustable plate used to exert pressure on one or more books.
handwheel
Wheel-shaped part that pivots around a central screw to move the platen.
central screw
upright
